Reliable 2.4GHz wireless connection provides up to 10M working range - free to enjoy high-quality, stereo audio
The hidden omni-directional microphone automatically picks up your voice with remarkable clarity
Recharge by using the universal mini-USB cable even while your music is still playing
2-hour charging, 6-hour enjoyment / The device can works in wired mode by connect the audio-USB cable when you run out of battery and will never interrupted by empty battery / Form Factor: Semi-open / Host Interface: USB / Wireless Technology: 2.4GHz RF